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Asymptotic Giant Branch variables in the Galaxy and the Local Group

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Abstract

AGB variables, particularly the large amplitude Mira type, are a vital step on the distance scale ladder. They will prove particularly important in the era of space telescopes and extremely large ground-based telescopes with adaptive optics, which will be optimized for infrared observing. Our current understanding of the distances to these stars is reviewed with particular emphasis on improvements that came from Hipparcos as well as on recent work on Local Group galaxies. In addition to providing the essential calibration for extragalactic distances Gaia may also provide unprecedented insight into the poorly understood mass-loss process itself.

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Acknowledgements

I am grateful to John Menzies and Michael Feast for a critical reading of the manuscript and for discussions of various aspects of this paper. I also thank the National Research Foundation (NRF) for a research grant which supported this work.

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Correspondence to Patricia A. Whitelock.

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Whitelock, P.A. Asymptotic Giant Branch variables in the Galaxy and the Local Group. Astrophys Space Sci 341, 123–129 (2012). https://doi.org/10.1007/s10509-012-0993-x

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  • DOI: https://doi.org/10.1007/s10509-012-0993-x

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